Author(s)

N.W. Garrick & T. Kuhnimhof

Abstract

In the USA, there is a renewed effort towards ensuring that the design of transportation facilities enhances the cultural, social, historical, and of course, the natural environment. This shift in emphasis has been promoted in part by the ISTEA and TEA-21 acts of 1991 and 1998 and is reflected at the federal level by policy initiatives such as the recently published 'Flexibility in Highway Design" from the FHWA. At the local level, an example of the new approach is seen in the increased use of traffic calming techniques as viable design solutions. Unfortunately, current design standards 1 Introduction The design of streets and highways is suddenly a hot topic of discussion in the USA. Many people believe that the prevailing des

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